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Wittenoom Long-term Averages
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean Max (°C) |
39.5 | 37.9 | 36.7 | 33.3 | 28.0 | 24.5 | 24.3 | 26.9 | 31.3 | 35.5 | 38.2 | 39.8 | 32.9 |
| Mean Min (°C) |
26.0 | 25.3 | 24.4 | 21.2 | 16.2 | 12.9 | 11.5 | 13.2 | 16.9 | 20.9 | 23.7 | 25.5 | 19.8 |
| Mean Rain (mm) |
116.2 | 105.4 | 71.4 | 28.5 | 25.3 | 28.7 | 14.4 | 6.9 | 2.9 | 3.9 | 8.7 | 51.0 | 471.6 |
| Median Rain (mm) |
67.7 | 94.2 | 31.0 | 9.7 | 10.7 | 9.1 | 5.8 | 0.2 | 0.0 | 0.0 | 3.5 | 24.3 | 434.0 |
| Mean Rain Days |
9.0 | 9.0 | 6.0 | 3.5 | 3.4 | 3.1 | 2.0 | 1.3 | 0.7 | 1.0 | 1.9 | 4.7 | 46.4 |
Wittenoom Daily Records
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High Max (°C) |
47.6 | 47.5 | 45.7 | 42.0 | 37.4 | 33.0 | 32.6 | 35.3 | 39.5 | 44.0 | 46.3 | 47.8 | 47.8 |
| Low Max (°C) |
23.1 | 22.8 | 22.2 | 15.1 | 13.9 | 13.3 | 11.9 | 15.0 | 16.2 | 23.9 | 22.5 | 22.8 | 11.9 |
| High Min (°C) |
35.5 | 35.1 | 33.7 | 29.7 | 24.7 | 23.4 | 20.9 | 24.2 | 26.4 | 31.6 | 32.8 | 34.0 | 35.5 |
| Low Min (°C) |
17.2 | 15.5 | 12.8 | 10.2 | 5.6 | 4.0 | 1.6 | 3.4 | 6.7 | 6.7 | 12.2 | 16.8 | 1.6 |
| High Rain (mm) |
228.0 | 126.2 | 170.8 | 94.4 | 70.0 | 76.5 | 75.9 | 40.2 | 41.0 | 25.9 | 44.8 | 313.2 | 313.2 |
Wittenoom Monthly Records
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High Mn. Max (°C) |
43.0 | 43.0 | 40.6 | 37.6 | 31.6 | 27.0 | 27.4 | 30.7 | 34.2 | 38.7 | 41.0 | 42.7 | 34.4 |
| Low Mn. Max (°C) |
34.6 | 32.8 | 32.0 | 28.6 | 24.2 | 21.3 | 21.1 | 22.8 | 28.1 | 31.5 | 35.1 | 35.6 | 31.2 |
| High Mn. Min (°C) |
27.9 | 28.1 | 27.2 | 24.5 | 19.8 | 16.6 | 15.1 | 16.0 | 20.0 | 24.4 | 26.7 | 27.6 | 21.5 |
| Low Mn. Min (°C) |
23.0 | 23.4 | 22.3 | 18.6 | 13.1 | 10.1 | 9.1 | 10.3 | 13.5 | 17.0 | 20.6 | 23.5 | 18.3 |
| High Rain (mm) |
469.8 | 422.6 | 371.0 | 225.2 | 176.5 | 188.5 | 105.9 | 72.7 | 61.2 | 40.6 | 50.2 | 509.5 | 1344.6 |
| Low Rain (mm) |
2.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 143.2 |
Wittenoom Annual Temperatures & Rainfall
Wittenoom Average Number of Days With Temperatures
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ≥ 40°C |
16.6 | 9.7 | 5.3 | 0.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.9 | 8.4 | 16.1 | 57.6 |
| ≥ 35°C |
26.9 | 22.0 | 22.3 | 9.9 | 0.6 | 0.0 | 0.0 | 0.0 | 3.8 | 18.9 | 26.0 | 28.9 | 158.9 |
| ≥ 30°C |
29.6 | 26.6 | 29.0 | 24.9 | 9.6 | 0.8 | 0.5 | 5.3 | 20.1 | 29.0 | 29.1 | 30.2 | 234.0 |
| ≤ 2°C |
0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| ≤ 0°C |
0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Wittenoom 'per Week' Values (14th/86th Percentiles)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High Max |
43.3 | 41.8 | 40.1 | 36.7 | 31.7 | 27.6 | 27.4 | 30.0 | 34.5 | 38.6 | 41.1 | 42.4 | 40.2 |
| Low Max |
35.7 | 33.3 | 33.0 | 29.4 | 23.9 | 21.3 | 20.9 | 23.4 | 27.7 | 31.7 | 35.1 | 37.0 | 25.0 |
| High Min |
29.4 | 28.4 | 27.3 | 24.4 | 19.6 | 16.6 | 15.0 | 16.5 | 20.6 | 24.8 | 27.4 | 29.1 | 26.4 |
| Low Min |
22.8 | 22.4 | 21.4 | 17.8 | 12.4 | 9.0 | 7.9 | 9.8 | 13.2 | 16.7 | 19.8 | 22.2 | 12.3 |
Wittenoom Data Availability
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Ann | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Years of Minima |
68 | 68 | 68 | 68 | 67 | 68 | 68 | 67 | 66 | 66 | 68 | 67 | 67.0 |
| Earliest Entry |
1952 | 1952 | 1952 | 1952 | 1952 | 1952 | 1952 | 1952 | 1952 | 1951 | 1951 | 1951 | 1951 |
| Latest Entry |
2019 | 2019 | 2019 | 2019 | 2019 | 2019 | 2019 | 2019 | 2018 | 2018 | 2018 | 2018 | 2019 |
| Years of Maxima |
68 | 68 | 67 | 68 | 66 | 66 | 67 | 67 | 66 | 67 | 68 | 67 | 67.0 |
| Earliest Entry |
1952 | 1952 | 1952 | 1952 | 1952 | 1952 | 1952 | 1952 | 1952 | 1951 | 1951 | 1951 | 1951 |
| Latest Entry |
2019 | 2019 | 2019 | 2019 | 2019 | 2019 | 2019 | 2019 | 2018 | 2018 | 2018 | 2018 | 2019 |
| Years of Rainfall |
64 | 63 | 63 | 64 | 64 | 64 | 65 | 67 | 68 | 69 | 64 | 63 | 62.0 |
| Earliest Entry |
1952 | 1952 | 1952 | 1952 | 1951 | 1952 | 1952 | 1950 | 1950 | 1950 | 1950 | 1950 | 1950 |
| Latest Entry |
2019 | 2019 | 2019 | 2019 | 2019 | 2019 | 2019 | 2019 | 2018 | 2018 | 2018 | 2018 | 2019 |
Station Details
WITTENOOM
Pilbara, Western Australia
Pilbara, Western Australia
22.2425°S 118.3358°E
463m AMSL
Commenced 1949
Commenced 1949
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Nature?s air conditioner: how the seabreeze will help Sydney cope during the heatwave
14:37 AEDT As heatwave conditions take hold of southeastern Australia this weekend, the cooling seabreeze will be crucial in easing daytime heat, but how does it form? During periods with weak synoptic forcing, with a broad high pressure system moving slowly over the Tasman Sea, the seabreeze circulation dominates, as we can see below.
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